Caxton Associates

Senior Software Engineer (C# / .NET) - Team Lead

London, England, United Kingdom · Work style not stated · Full-time

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About the role

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EmployerCaxton Associates
LocationLondon, England, United Kingdom
Work styleWork style not stated
Employment typeFull-time
Employer posted15 Sep 2026

About Caxton Associates:

Caxton Associates, founded in 1983, is a global trading and investment firm with offices in London, New York, Singapore, Monaco, Dubai and Bengaluru. Caxton Associates’ primary business is to manage client and proprietary capital through a suite of products designed to fit the specific needs of investors. Employing a multi-portfolio manager framework, Caxton excels in discretionary global macro investing, leveraging its diversified expertise across asset classes and markets.

About the role:

We are seeking an experienced Software Engineer to lead a team within our London-based Software Development group. This is a hands-on leadership role combining system design, delivery ownership, and team development. The team builds and maintains services and applications that support trading, compliance, and operations across the firm. You will work closely with various Technology and Operations teams across London, Bengaluru and New York.

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Responsibilities:

Lead, mentor, and develop a small team of engineers
Design and build scalable, maintainable distributed systems in C#/.NET
Own delivery across multiple concurrent projects and priorities
Drive best practices in testing, CI/CD, and software quality
Collaborate with technical and business stakeholders across regions
Contribute to architecture and long-term platform direction
Act as the technical point of contact for the team

Requirements

8+ years of software development experience with C# and the .NET stack
Proven experience leading or mentoring software engineers
Strong track record building reliable, production-grade systems
Solid understanding of distributed systems and architectural patterns (event-driven, layered, client-server)
Experience with Python and its ecosystem
Experience with CI/CD and modern development workflows
Strong SQL and relational database skills
Ability to manage multiple priorities effectively
Strong communication skills with both technical and non-technical stakeholders
Exposure to financial products and market data (e.g. Bloomberg, Reuters)
Displays and operates at the highest degree of ethics and integrity

The following would be highly beneficial:

Knowledge of finance, markets, order to trade life cycle
Experience with Bloomberg market data APIs like SAPI, B-PIPE, Desktop API
Experience with Docker and AWS (EC2, RDS)
Bachelor of Science Degree in Computer Science, Mathematics or a related field

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